docs: def min_iml(self):
          """
          :returns: a numpy array of intensities, one per IMT
          """
          mini = self.minimum_intensity
          if mini:
              for imt in self.imtls:
                  try:
                      mini[imt] = calc.filters.getdefault(mini, imt)
                  except KeyError:
                      raise ValueError(
                          'The parameter `minimum_intensity` in the job.ini '
                          'file is missing the IMT %r' % imt)
          if 'default' in mini:
              del mini['default']
          return F32([mini.get(imt, 0) for imt in self.imtls])